Gisenyi climate — normals and trends
Gisenyi (Rwanda) has a tropical monsoon climate (Am) under the Köppen-Geiger classification. Its mean annual temperature is 18.4 °C and it receives 2,838 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is February (18.7 °C on average) and the coldest is November (18.0 °C). Rainfall peaks in November.
Gisenyi averages 0 frost days, 0 hot days (≥ 30 °C) and 282 rainy days per year.
Gisenyi has warmed by +1.3 °C between 1940 and 2025, or +0.15 °C per decade. This trend is statistically significant.
The hottest day of the period reached 24.5 °C (on 22 February 2005) and the coldest 13.9 °C (on 20 August 1976).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
GisenyiWestern Province
- coords
- -1.70°, 29.26°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
18.4°C
Average daily high
20.1°C
Average daily low
16.8°C
Annual rainfall
2,838mm
Sunshine / day
9.6h
Mean relative humidity
78%
Average peak wind
11.6km/h
Seasonal range
0.7°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
282 d/yr
Annual snowfall
0.0 cm
Average feels-like high
21.4 °C
Average feels-like low
17.3 °C
Average peak gust
26.2 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
17.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.3 °C
since 1940
+0.2 °C per decade · r² = 0.66 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
24.5 °C
22 February 2005
Coldest day
13.9 °C
20 August 1976
Wettest day
132 mm
16 March 2016
Windiest day
29.9 km/h
22 March 2024
Strongest gust
69.1 km/h
7 March 2016
Hottest feels-like
28.2 °C
21 February 2005
Coldest feels-like
12.8 °C
6 July 1953
Sunniest day
12.0 h
8 December 1940
Normals computed over complete calendar years 1940–2025.
A specific year
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Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 21.0 °C | +0.8 °C | 164 mm | -95 mm |
| Feb | 21.8 °C | +1.2 °C | 120 mm | -139 mm |
| Mar | 21.3 °C | +0.8 °C | 301 mm | -57 mm |
| Apr | 20.9 °C | +0.6 °C | 393 mm | +89 mm |
| May | 20.6 °C | +0.5 °C | 186 mm | -4 mm |
| Jun | 20.4 °C | +0.5 °C | 106 mm | +26 mm |
| Jul | 20.0 °C | +0.2 °C | 88 mm | +51 mm |
| Aug | 20.1 °C | 0.0 °C | 91 mm | +18 mm |
| Sep | 20.8 °C | +0.7 °C | 146 mm | -46 mm |
| Oct | 20.3 °C | +0.4 °C | 430 mm | +82 mm |
| Nov | 20.7 °C | +1.0 °C | 305 mm | -91 mm |
| Dec | 20.5 °C | +0.7 °C | 334 mm | -8 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Gisenyi?
Gisenyi has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 18.4 °C and it receives 2,838 mm of precipitation per year.
What is the hottest day ever recorded in Gisenyi?
The hottest day measured in Gisenyi between 1940 and 2025 was 22 February 2005, reaching 24.5 °C.
What is the coldest day in Gisenyi?
The coldest day measured in Gisenyi between 1940 and 2025 was 20 August 1976, at 13.9 °C.
Does it snow in Gisenyi?
Almost never: Gisenyi sees virtually no snow, with about 0 frost days per year.
Has the climate of Gisenyi warmed?
Yes: Gisenyi warmed by +1.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Gisenyi?
The wettest day measured in Gisenyi between 1940 and 2025 was 16 March 2016, with 132 mm of rain in 24 hours.
What was the windiest day in Gisenyi?
The windiest day measured in Gisenyi between 1940 and 2025 was 22 March 2024, with winds reaching 29.9 km/h.
What is the warmest month in Gisenyi?
The warmest month in Gisenyi is February (18.7 °C on average); the coldest is November (18.0 °C).
How much does it rain in Gisenyi?
Gisenyi receives on average 2,838 mm of precipitation per year, spread over about 282 rainy days.
Is it sunny in Gisenyi?
Gisenyi gets on average 9.6 hours of sunshine per day, roughly 3,504 hours per year over 1940-2025.
Are there tropical nights in Gisenyi?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Gisenyi.
What was the most extreme apparent temperature in Gisenyi?
In Gisenyi, between 1940 and 2025, the highest apparent temperature reached 28.2 °C on 21 February 2005, and the lowest was 12.8 °C on 6 July 1953.
Compare Gisenyi with another city
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Nearby cities
The climate around Gisenyi